Marshawn Kneeland died on the morning of November 6, 2025, in the middle of his second season with the Cowboys. Following his death, the Cowboys released a statement declaring Kneeland a "beloved teammate" and sending thoughts and prayers to his family. A cause of death has yet to be publicly announced.
Kneeland played for the Broncos at Western Michigan University from 2019 to 2023. In 2022, he nearly transferred to the University of Colorado but decided to stay. During his career, he had 149 tackles and 12.5 sacks.